/*
 * Copyright (C) 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package org.kie.j2cl.tools.di.ui.translation.client.internal;

import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;

/**
 * Dictionary that holds translation key/value pairs for all supported locales.
 *
 * @author edewit@redhat.com
 */
public class Dictionary {
  private Map<String, Map<String, String>> translations =
      new HashMap<String, Map<String, String>>();

  public Map<String, String> get(String locale) {
    final Map<String, String> translationValues = translations.get(locale);
    if (translationValues != null) {
      return translationValues;
    }
    return Collections.emptyMap();
  }

  public Collection<String> getSupportedLocals() {
    return new HashSet<String>(translations.keySet());
  }

  public void put(String locale, String key, String message) {
    getTranslation(locale).put(key, message);
  }

  private Map<String, String> getTranslation(String locale) {
    Map<String, String> translation = translations.get(locale);
    if (translation == null) {
      translation = new HashMap<String, String>();
      translations.put(locale, translation);
    }
    return translation;
  }
}
